Events and Logging in Solidity

In this technical tutorial, learn all about events and logging in Solidity. This is everything you need to know. We go through using events and logging with Hardhat and Etherscan.
Chainlink is the industry standard for building, accessing, and selling oracle services needed to power hybrid smart contracts on any blockchain. Chainlink oracle networks provide smart contracts with a way to reliably connect to any external API and leverage secure off-chain computations for enabling feature-rich applications. Chainlink currently secures tens of billions of dollars across DeFi, insurance, gaming, and other major industries, and offers global enterprises and leading data providers a universal gateway to all blockchains.
Learn more about Chainlink:
Website: chain.link
Docs: docs.chain.link
Twitter: / chainlink

[@ulashofficial]

Thanks Patrick! You are one of the reason to love Chainlink!

[@frackinfamous6126]

Got that right!!

[@rosedonato9419]

You guys are so undervalued when are we going to see big moves?

[@alirad8996]

I love all of your videos, you're the best Patrick

[@kamalchan9756]

you are the GOAT of blockChain

[@tonystark3259]

Thanks Patrick! This video helped so much!

[@animeyou-ch2093]

thanks patrik that was very helpfull

[@shishirkakhandki9230]

Awesome, as always!

[@beemdude2]

Bro you are a legend

[@hassannouri9796]

❤❤❤

[@amanmehra8493]

Behold! the king Patrick!!!

[@bigsidetech]

In-depth 👍

[@Angel-if1mo]

Thanks!

[@flacojones8208]

If txnReceipt.events[0].args is of type Array, how it is that we are able to use dot notation on it like `transactionReceipt.events[0].args.oldNumber`?

[@danielcawley1051]

because inside the array is an object and dot notation is used to access objects when using javascript

[@stonerpimp69]

nice

[@amalnathsathyan6029]

🔥🤩

[@ameerfaris6501]

I have 100k usd in your project, and you keep selling almost every week!?